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Fix fetchGlyphsAndAdvances() in CoreText renderer

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ichizok
2018-06-25 19:18:56 +09:00
parent 21f99c1562
commit eec7910d54
1 changed files with 14 additions and 12 deletions
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src/MacVim/MMCoreTextView.m
+14 -12
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@@ -1203,21 +1203,23 @@ fetchGlyphsAndAdvances(const CTLineRef line, CGGlyph *glyphs, CGSize *advances,
CTRunRef run = (CTRunRef)item;
CFIndex count = CTRunGetGlyphCount(run);
if (count > 0 && count - offset > length)
count = length - offset;
if (count > 0) {
if (count > length - offset)
count = length - offset;
CFRange range = CFRangeMake(0, count);
CFRange range = CFRangeMake(0, count);
if (glyphs != NULL)
CTRunGetGlyphs(run, range, &glyphs[offset]);
if (advances != NULL)
CTRunGetAdvances(run, range, &advances[offset]);
if (positions != NULL)
CTRunGetPositions(run, range, &positions[offset]);
if (glyphs != NULL)
CTRunGetGlyphs(run, range, &glyphs[offset]);
if (advances != NULL)
CTRunGetAdvances(run, range, &advances[offset]);
if (positions != NULL)
CTRunGetPositions(run, range, &positions[offset]);
offset += count;
if (offset >= length)
break;
offset += count;
if (offset >= length)
break;
}
}
return offset;